I've got a new apple watch, and one annoyance I have vs the previous FitBit is the lack of a heart rate graph for a workout. Are there any recommendations for such an app? Either iOS or Watch (or both ...

The Apple Watch Ultra 3 is a powerful health and fitness watch; that much was evident from its predecessor, the Apple Watch Ultra 2 (otherwise known as the best Apple Watch, in terms of features and ...

Every week or two, I'll open an athlete's training log and it seems like a blood-curdling scream leaps off the page. "My body is being weird! My heart rate was way too high on this run!" Or . . . "My ...

The idea of a heart-rate monitor might sound a bit pointless if you’ve already got one built into your running watch, but what many people don’t realise is that, for those more serious about their ...

For when you need to be in "zone 2" and have no idea what that is.

Unless you’ve been living under a rock for the last couple of years, there’s a good chance that you will have come across the term heart rate variability (or HRV for short). Popularised by the likes ...